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Preprint. A critical review of the time-travel program: chronology protection, constructive machines, the quantum stress computations, the relic searches, and the acquisition and engineering ledger. Published on LibertAI Labs: https://labs.libertai.io/papers/review/. First public timestamp: 2026-10-27T16:15:00Z (UTC). SHA-256 of the PDF: a03245b1468dc21e36d2b9fa4050c08eccf3363c754fb02b5554a6c4c25586a5.
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Jonathan Schemoul (2026) studied this question.
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